From cd8f527850321439be3ccc557f28323a5a00bee3 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Wed, 7 Sep 2022 20:06:42 +0300
Subject: Add noexcept to move constructors

---
 libbutl/optional.hxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libbutl/optional.hxx b/libbutl/optional.hxx
index 7d66ac5..e30504e 100644
--- a/libbutl/optional.hxx
+++ b/libbutl/optional.hxx
@@ -263,10 +263,10 @@ namespace butl
 #if (!defined(_MSC_VER) || _MSC_VER > 1900) &&  \
     (!defined(__GNUC__) || __GNUC__ > 4 || defined(__clang__))
     constexpr optional (const optional&) = default;
-    constexpr optional (optional&&)      = default;
+    constexpr optional (optional&&) noexcept (is_nothrow_constructible<T, T>::value) = default;
 #else
     optional (const optional&) = default;
-    optional (optional&&)      = default;
+    optional (optional&&) noexcept (is_nothrow_constructible<T, T>::value) = default;
 #endif
 
     optional& operator= (nullopt_t v) {static_cast<base&> (*this) = v;             return *this;}
-- 
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